Add UPF_MAGIC_MULTIPLIER to Pericom serial ports since there is now
range checking in serial8250_get_baud_rate() in 8250_port.c
Signed-off-by: Jay Dolan <jay.dolan@xxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_pci.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index aea43683b76d..5615ac1d2352 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1352,6 +1352,11 @@ pericom_do_set_divisor(struct uart_port *port, unsigned int baud,
}
}
}
+static int pericom_do_startup(struct uart_port *port)
+{
+ port->flags |= UPF_MAGIC_MULTIPLIER;
+ return serial8250_do_startup(port);
+}
static int pci_pericom_setup(struct serial_private *priv,
const struct pciserial_board *board,
struct uart_8250_port *port, int idx)
@@ -1372,6 +1377,7 @@ static int pci_pericom_setup(struct serial_private *priv,
return 1;
port->port.set_divisor = pericom_do_set_divisor;
+ port->port.startup = pericom_do_startup;
return setup_port(priv, port, bar, offset, board->reg_shift);
}
@@ -1398,6 +1404,7 @@ static int pci_pericom_setup_four_at_eight(struct serial_private *priv,
return 1;
port->port.set_divisor = pericom_do_set_divisor;
+ port->port.startup = pericom_do_startup;
return setup_port(priv, port, bar, offset, board->reg_shift);
}
--
2.25.1
